/* Copyright (C) 2008  Romolo Camplani, Marco Fortunato, Marco Marelli, Guido Rota, Fabio A. Schreiber et al.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.dei.perla.parser.clauses;

/**
 * La classe contiene il riferimento ad una sorgente di dati per le query di alto livello.
 * Ne definisce in particolare l'alias.
 */
public abstract class FromSource {
	
	/**
	 * Alias della sorgente dati
	 */
	private String alias;

	
	/**
	 * Restituisce l'alias della sorgente dati
	 */
	public String getAlias() {
		return this.alias;
	}

	/**
	 * Imposta l'alias della sorgente dati
	 */
	public void setAlias(String alias) {
		this.alias = alias;
	}
}
